Looks like you had lots of fun with this one! I know I risk being redundant, but your sense of composition, line and value just amazed (and inspires) me. You do make it look so easy...but I can affirm that it is anything but easy!

AH is making me crazy. Yes to bulldog. And maybe chimp? The blue and black dots on his left temple--nails or pegs holding that part of his skull to the rest? And that might go with Susan's "industrial."